| Value |
Category |
| 1 |
In last 2 weeks |
| 2 |
2-4 weeks ago |
| 3 |
1-6 months ago |
| 4 |
6-12 months ago |
| 5 |
More than a year ago |
| Sysmiss |
|
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.